TF/Micro SD Slot : 1Din : Double DinRAM : 2GInterface : play and plugSpecial Feature : Built-In Speaker/Microphone,Wifi Function,Support Steering Wheel Control,Support 3G Network,Support 4G Network,Support Can-BusOperating System : Android 11Out Power : 4*45WVoltage : 12VMaterial Type : plastic & metalItem Weight : 3kgItem Size : 215*200*120mmMax External Memory : 64GROM : 32GSpecial Features : Built-in GPS,Mobile Phone,MP3 PlayersDigital Media Format : Mp3,MP4,WMA,JPEGOSD Language : Chinese (Simplified),Albanian,Arabic,Azeri,Estonian,Belarusian,Bulgarian,Icelandic,Polish,Danish,German,Russian,French,Filipino,Finnish,Georgian,Korean,Dutch,Czech,Croatian,Latvian,Romanian,Malay,Macedonian,Norwegian,Portuguese,Japanese,Swedish,Serbian,Slovak,Slovenian,Thai,Turkish,Ukrainian,Hebrew,Greek,Spanish,Hungarian,Armenian,Italian,Hindi,Indonesia,English,VietnameseResolution : 1024*600Display Size : 7"OEM NO. : For Opel/AstraFor Vehicle s/Model : OpelCertification : CEWifi : SupportUSB DVR : SupportMicrophone : Built-inBluetooth : Built-inSteer wheel control function : SupportCD player : Don't support